40975587 has 24 divisors (see below), whose sum is σ = 60929856. Its totient is φ = 26522496.

The previous prime is 40975577. The next prime is 40975589. The reversal of 40975587 is 78557904.

40975587 is a `hidden beast` number, since 4 + 0 + 97 + 558 + 7 = 666.

It is not a de Polignac number, because 40975587 - 2⁸ = 40975331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40975589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66103 + ... + 66719.

It is an arithmetic number, because the mean of its divisors is an integer number (2538744).

Almost surely, 2^40975587 is an apocalyptic number.

40975587 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40975587 is a deficient number, since it is larger than the sum of its proper divisors (19954269).

40975587 is a wasteful number, since it uses less digits than its factorization.

40975587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 40975587 is about 6401.2176185473. The cubic root of 40975587 is about 344.7532703462.

The spelling of 40975587 in words is "forty million, nine hundred seventy-five thousand, five hundred eighty-seven".